Inorganic chemistry

1. Ɡeneral formula BnHn+₆ represent a

• closoborane

• nidoborane

• arachnoborane

• hypnoborane

7. The reaction of decaborane B₁₀H₁₄ with acetylene in the presence of Et₂S ɡives

• C₂B₁₀H₁₂

• C₂B₁₀H₁₄

• C₂B₈H₁₀

• None

2. The number of 3c-2e bonds present in Al(BH₄)₃ is

• 3

• 6

• 4

• 0

The styx code for pentaborane-11 (B₅H₁₁) is

• 4120

• 4012

• 3203

• none

Correct formula for nido borane

• BnHn+4

• BnHn+6

• BnHn+2

• None

Number of two centere two electron bonds in B5H9

• 7

• 5

• 2

• 0

Which of the following is incorrect

• BH3 as a Lewis acid

• Borane easily hydrolyzed

• LiAlH4 reduce BCl3 to borane

• All the B-H distance in di borane are equal

Boron nitride has the structure of type

• Graphite

• Diamond

• NaCl

• None

Number of bonds present between Re-Re in (Re2Cl8) 2-

• 4

• 5

• 2

• 1

Number of bridging chloride present in W2Cl8

• 2

• 4

• 0

• 1